Is each an AVL tree? 1. Select 3. Select 30 50 40 70 60 60 80 50 90 ↑ 스 2. Select 4. Select 10 30 20 60 40 30 40 70 50 50 C <>

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Is each an AVL tree?
1.
Select
3.
Select
30
50
40
70
60
60
80
50
90
2.
Select
4.
Select
10
30
20
60
40
30
40
70
50
50
Transcribed Image Text:Is each an AVL tree? 1. Select 3. Select 30 50 40 70 60 60 80 50 90 2. Select 4. Select 10 30 20 60 40 30 40 70 50 50
Expert Solution
Step 1: stating the problem:

We are asked which option(s) is/are AVL tree.

AVL tree is balanced binary search tree. And balance factor (BF) is used to check whether tree is balanced or not.

BF of a node 'n' =

height (Left(n)) - (height (right (n)).

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